____________better ways for digging tunnels__________, the first railway tunnel under the River Thames     was dug in 1884.
#100801
A
As , developing
B
With, developed
C
As , were developed
D
With, development
推荐题目
The old couple will never _____ the loss of their son. 
#100761
A
get over
B
get away
C
get off
D
get across
 Look at this! I__some magazines and__this letter.
#104412
A
was looking through; found
B
am looking through; find
C
looked through; had found
D
had looked through; finding
He _____ on the bench, with his head down and his eyes _____ on the ground.
#103111
A
was seated; fixing
B
was seated; fixed
C
seated; fixing
D
seating; fixed